Finding the Fourth Proportional to 71,755,381,677.04, 107,608,147,268.36 and 39,932,617,538.09
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Solution
The fourth proportional to 71,755,381,677.04, 107,608,147,268.36 and 39,932,617,538.09 is: 59,885,055,147.38
Step by Step Solution
- Step 1: Write the proportion equation
71,755,381,677.04 : 107,608,147,268.36 = 39,932,617,538.09 : x - Step 2: Convert to fraction form
71,755,381,677.04/107,608,147,268.36 = 39,932,617,538.09/x - Step 3: Cross multiply
71,755,381,677.04x = 107,608,147,268.36 × 39,932,617,538.09 - Step 4: Simplify right side
71,755,381,677.04x = 4,297,074,988,850,314,477,568 - Step 5: Solve for x
x = 4,297,074,988,850,314,477,568/71,755,381,677.04 - Step 6: Final answer
x = 59,885,055,147.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.